 He scored his first goal for the club with a header in an away cup match against Old Boys, with an assist coming from Matías Delgado.On 11 December 2013, Ivanov was sent off in a 0–2 loss to Schalke 04.On 14 January 2014, Ivanov suffered a knee injury in a friendly match against Eintracht Braunschweig, causing him to miss the rest of the 2013–14 season.